Preston Singletary and David Franklin were chosen to create artwork on the Fremont and Queen Anne sides of the Ship Canal as part of the Ship Canal Water Quality Project. Now Singletary and his work are featured at the Smithsonian. See more here: 
http://www.seattletimes.com/entertainment/visual-arts/seattle-artist-preston-singletarys-solo-exhibit-opens-at-smithsonians-national-museum-of-the-american-indian/

More about public arts and Seattle Public Utilities here: https://spushipcanal.participate.online/art